量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum Science and Technology.
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The surface nano-structures such as the ripple and bubble like form produced by short pule laser are applicable for the novel functional materials. We are studying the dynamics of the laser ablation process of metals by using the soft x-ray laser probe at the wavelength of 13.9 nm. The transient thin-film structures was observed in the several materials under the condition that near the ablation threshold. It was quite thin, dense and smooth so that it works as the soft x-ray beam splitter. The precise observation of the laser ablation dynamics leads to the control of the surface modification.
Study of the laser ablation process of metals by using the soft x-ray laser
